// vim: autoindent tabstop=8 shiftwidth=4 expandtab softtabstop=4 # ## ##### ## # # # # #### #### # # ##### ##### #### # # # # # # # # # # ## # # # # # # # # ###### ##### # # # # # # # # # # # # # # # # # # # # # # # ##### # # # # # # # # # # # # ## # # # # # # ##### # # ####### #### #### # # # # # #### ###### #### ## ##### ##### # # # # # # # # # # # # # # # # ###### ##### # # # # # # # # # # #### # # # # ##### ============================================= 1A2 KSU BOARD - REV-B - 2 LINE / 4 EXTENSIONS ============================================= erco@seriss.com - 1.0 (REV-A) Jan 16 2017 If you find problems in this document, contact: erco@seriss.com Setup ----- 1. CONNECT 1A2 PHONE EXTENSIONS ------------------------------- To set up your 1A2 control card, first connect the phone extensions to the card by connecting the large amphenol connectors. ____________________________________________________________________ | |__________| | | Stage EXT1 EXT2 EXT3 EXT4 | | Connector /| /| /| /| | | || || || || | | || || || || | | || || || || | | || || || || | | || || || || | | ___ __ ___ ___ \| \| \| \| | | | | |+-| | | |o o| | |__|___|____|__|______|___|____________|___|_________________________| Line1 12VDC Line2 RING . . . . (RJ-11) 1.5A (RJ-11) GEN /|\ /|\ /|\ /|\ | | | | ............................ : Attach phone extensions : : to the large 50 pin : : Amphenol extensions. : :..........................: 2. CARD POWER CONNECTION ------------------------ Next, connect power by plugging the 12volt/1.5 amp power adapter to AC (*). The lamps may flash on the phones for about 5 seconds when power is applied. ____________________________________________________________________ | |__________| | | Stage EXT1 EXT2 EXT3 EXT4 | | Connector /| /| /| /| | | || || || || | | || || || || | | || || || || | | || || || || | | || || || || | | ___ __ ___ ___ \| \| \| \| | | | | |+-| | | |o o| | |__|___|____|__|______|___|____________|___|_________________________| Line1 12VDC Line2 RING (RJ-11) 1.5A (RJ-11) GEN . /|\ | ............................. : Attach 12VDC power here. : : +12VDC on LEFT terminal, : : Ground on RIGHT terminal. : :...........................: A 12vdc supply rated 1.5 amp or more is recommended if you're using a PowerDSINE ring generator that is powered off the board, as it consumes about 0.5A during ringing of 4 extensions at once. 3. ATTACH PHONE LINES --------------------- Next, connect the card to your VoIP phone lines. Note: this card is not FCC rated for attaching directly to public PSTN lines. If you do this, the card will work, but responsibility is yours for doing this. ____________________________________________________________________ | |__________| | | Stage EXT1 EXT2 EXT3 EXT4 | | Connector /| /| /| /| | | || || || || | | || || || || | | || || || || | | || || || || | | || || || || | | ___ __ ___ ___ \| \| \| \| | | | | |+-| | | |o o| | |__|___|____|__|______|___|____________|___|_________________________| Line1 12VDC Line2 RING (RJ-11) 1.5A (RJ-11) GEN . . /|\ /|\ | | Attach to telco Attach to telco Line #1 Line #2 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * NOTE: This card is NOT approved by the FCC for use directly with Public Switched Telephone Networks (PSTN, or POTS lines). Legally it can only be attached to /digital/ IP phone systems that emulate PSTN/POTS lines. While this board IS designed to handle old analog POTS lines, THE RESPONSIBILITY IS YOURS whether to chance connecting it to an actual public POTS line without FCC approval. If you do, it is assumed you are a hobbiest or EE technician who understands the implications of this. Typically your phone line would be digital phone service that uses a small interface box to connect to regular telephones, which isolates you from the PSTN network, so that should be OK. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 4. OPTIONAL: ATTACH A RING GENERATOR (IF YOU HAVE ONE) ------------------------------------------------------ If you don't have a ring generator, or have your own ringers, or intend to use the "BUZZ RINGING" feature, you can skip this step. You can attach a 105VAC 20Hz-30Hz ring generator to the RING GEN terminal, if you have one. This will provide ringing of the phones during incoming calls. This can either be: o An old telco ring generator, like the 118A o Or one of the more modern hi tech ring generators, like the PowerDSINE 12VDC or the Cambridge Electronics 12VDC ring generators. Either of these can be powered off the same supply that powers the 1A2 control board. NOTE: This board assumes the bells in each phone set are attached to the Yellow-Slate, Slate/Yellow wire pair (pins 20/45). Verify this BEFORE testing your phones. NOTE: For ringing to work properly with the diode oriented circuit of this board, verify all the 1A2 phones have the following one wire modification. Quoting directly from the 1A2 phone experts on Sundance-Communications: "In order for any diode arrangement to work, the capacitor between network terminals A and K (inside the phone) had to be bypassed. This was usually done by just moving the wire on terminal 'K' to terminal 'A' along with the existing wire." So if you have trouble with ringing, and it's not the power supply or the DIP switch settings, check this K/A wiring inside each phone set. Otherwise the bells won't ring. 5. SET THE DIP SWITCHES FOR RINGING ----------------------------------- There are two sets of 8 dip switches at the bottom of the board, just left of the optional RING GENERATOR input. If you have a ring generator attached (step 3) and want the phone extensions to ring, turn on the appropriate DIP switches under the "BELL CALL" section (SW2). If you don't have a ring generator, this board can still "ring" the phones using the phone's built-in buzzers. Assuming your buzzers are wired to the 17/42 wire pair in each phone (Yel/Orn pair), turn on the appropriate DIP switches under the "BUZZ CALL" section (SW1). The 12VDC supply will handle buzzing the buzzers during ringing. If you don't want the phones to buzz or ring during incoming calls, such as if you have your own ringing system (bell boxes, etc), then you can turn off /all/ the DIP switches for SW1 and SW2. Testing Your Setup For The First Time ------------------------------------- With the above "Setup" steps completed and power applied, you should now be able to test the phones. Try these tests, in order: INTERCOM TEST ------------- o Pick up the handset on a phone extension, and press the RIGHT-most line button, to pick Line #5. This is the intercom line. o The lamp for that line should light on all the extensions. o Try dialing "1" on the touchtone pad. It should buzz the phone plugged into EXT1 on the card. Dial "2" to buzz the EXT2 phone. o While you're using the intercom line, have someone else pickup the same line on a different extension. You should both be able to talk to each other clearly over the intercom line. CALL TEST --------- o Try calling Line #1's phone number from a cell phone, or another line. The ringers should ring (if configured), and the Line #1 lamp should flash at a 1 second rate. o Answer the call by selecting Line #1 on the phone, and picking up the handset. The lamp should stop blinking and be on steady. o Try putting the call on hold by pressing the red HOLD button, and hang up. The Line #1 lamp should flash at a fast rate, and the call should remain on hold, until you pick up the call again from any of the extensions. NO RINGING? ----------- If you're using BELL CALL ringing with the ring generator, and the lamp is flashing but the bells aren't ring, check these things: o Check for ring voltage across the two RING GENERATOR terminals with a circuit test meter. Verify there's a steady 70 - 105 VAC across the two terminals. o Make sure each phone has the ringer wired to the standard Yellow-Slate / Slate-Yellow wire pair. While the ringer is an AC operated device, IT DOES MATTER if you have the two ringer wires swapped. o Make sure all extensions have the K/A wire modification to the network hybrid inside each phone, as described in the "Setup" section (under step #4: "Attaching Ring Generator"). o Verify the ringers are not silenced on the phones. On the bottom of 1A2 phones, there is a "LOUD" dial; be sure it is turned all the way in the direction of the arrow. o Make sure all the DIP switches for SW2 (in the "BELL CALL" section of the board, near the RING GEN connector) are set to "ON". o If you wired the board yourself and it's a REV B board, make sure the 8 diodes to the left of SW2 are pointing to the RIGHT (and not to the left). The "white line" on each diode should be on the RIGHT: _________ ______| || |______ |______||_| _________ ______| || |______ |______||_| _________ ______| || |______ |______||_| \ White line USING YOUR 1A2 MULTILINE PHONE SYSTEM ------------------------------------- Each multiline phone has "line select" buttons to let you pick which phone line you can use. From left-to-right, the first button is the red HOLD button, which lets you put calls in progress on Hold. Next to the red button are the line buttons; the first being Line #1, Line #2, and so on. The last line, Line #5, is an intercom line, described below. Each phone also contains a bell ringer and a buzzer. Depending on how your system is set up, typically the phones "ring" when there's an incoming call, and "buzz" when someone in the office is using the intercom to reach you. (See "USING THE INTERCOM" below) TO MAKE A CALL -------------- To make a call, first push an available line button, one that is not already lit up. Choose the line button BEFORE picking up the handset, so you don't accidentally pick up a used line. Now lift the handset. The line's button should light up on all phones, indicating you're using the line. You should hear dial tone. Dial your call normally, and hang up when you're done. When you hang up, the line's light will go out on all phones, indicating the line is available for new calls. PUTTING CALLS ON HOLD --------------------- You can put an active call on hold by pressing and releasing the red HOLD button. You can then hang up the phone, and the call will remain on hold. While the call is on hold, the lamp for that line should "wink", indicating a call is on hold. Any extension can then pick up the winking line to return to the call. If the remote caller hangs up while on hold, the light will go out, and the line will be free for use again. INCOMING CALLS --------------- When a call comes in, the extensions programmed to ring should ring, and the lamp for that line should flash slowly on all extensions, indicating which line is ringing. All phone extensions should either ring or buzz, depending on how the phones are programmed to ring. (See RING PROGRAMMING under "Setup"). USING THE INTERCOM ------------------ The intercom is a way for people in the office to "inter-communicate", such as if a receptionist wants to notify someone at another extension there's a call for them, or if one person wants to briefly talk to another. To use the intercom, push the Line #5 button, and dial the number of the extension you want to talk to. Pushing "1" on the dial pad will buzz the buzzer for that extension. If a person is available at that extension, they should pick up the intercom line and talk to you. If your phone buzzes, and the intercom line is lit, it means someone wants to talk to you, so pick up that line to talk to them. Since phones buzz whenever you push the extension's dial button, people can pre-arrange "codes" for buzzing, for instance two buzzes means the call on hold is for you, three buzzes means someone is here to see you, etc. PHONE SYSTEM ACCESSORIES ------------------------ ORDERING PHONES --------------- To order more phones, check ebay for 1a2 multiline phones, AT&T models 2564, 2565, and 2830 all work with this board. ORDERING EXTENSION CABLES ------------------------- Extension cables for 1a2 phones are available in a large variety of lengths, from short 5 foot extensions to long 100 foot cables or more. Practically, it's best to purchase several 25' cables than one long cable, as they can be chained together easily if need be to attain longer lengths for flexibility. Extension cables need male connectors on one end, and female on the other; male end connects to the control card, female to the phone's own cable. These cables tend not to be cheap, as they have many conductors and the connectors are industrial quality. Prices vary between $1.00 and $2.00 per foot.. so a 25' cable might be as much as $40. (2018 prices). There are many sources for these cables, used or new, including ebay and Amazon. Search terminology for this cables vary: o RJ21 telco cable o Amphenol telco cable o Cat3 25 pair telco cable o Cat3 50 conductor telco cable o 26AWG UTP Telco 25PR Cable terminology: "RJ21" refers to the 50 pin amphenol connectors. "Cat3" refers to the twisted pair rating for voice communications, where the pairs of wire are twisted around each other in a specific way to prevent electrical noise from getting into the voice circuit over long runs of wire. "UTP" stands for "Unshielded Twisted Pair", which is typical of telephone cables for noise reduction. "25PR" means "25 pairs" of wire inside the cable, or 50 conductors total. "AMP" or "Amphenol" refers to the connector ends. M/F, F/M, F/F, M/M refer to the connector types at either end of the cable. You only want M/F or F/M (they're the same thing): o M/F or F/M refer to Male/Female connector ends o F/F refers to Female/Female connector ends (you DON'T want these) o M/M refers to Male/Male connector ends (you DON'T want these) Be sure to get Male/Female ("M/F" or "F/M") connector ends on your extension cables. Conductors can be solid or stranded; typically stranded is more flexible, as solid core wire is "stiff". RING GENERATORS --------------- An external ring generator is required to offer the option of ringing the bells in the 1a2 phones. Note bell ringing is not required: phones can still be "rung" using the "BUZZ CALL" option, which if configured will "ring" the phones using the 1a2 phone's built in buzzers. Since this board uses a 12VDC supply, the "Power DSine" PCR-SIN03V12F20-C 12 volt ring generator works well. While no longer manufactured, it's still only about $20.00 on Amazon and Ebay. During ringing of 4 lines, it seems to use about 500mA (0.5A), so make sure your 12vdc power supply can supply at least 1.5A, as the rest of the card uses less than 1 amp under full load of 4 extensions + 2 lines. Another manufacturer is Cambridge Electronics, which sells a similar 12volt ring generator called the "Black Magic". Or, you can use any of the old telco ring generators that provide ~70-105 VAC, 20-30Hz ring voltage like the 118A. ENLARGING BEYOND 2 LINES/4 EXTENSIONS ------------------------------------- One can add even more extensions and lines than the two lines/ 4 extensions the card supports out of the box. A person knowledgable about wiring phones and networks can break out any one of the 50 pin extension cables on a 66 block to expand support for several extra phones. And two cards can be combined with a 66 block to support up to 4 incoming lines total. When attaching extra extensions, beware of the power limits of your power supply, and the output limits of the TIP32 power transistors. The lamps will glow dimmer when too many lamps are lit at once. And the ring generator can only handle ringing as many phones as its REN number is rated for. Note that the "LAMP" power transistors have been burn tested to handle up to 8 lamps for each line, so up to 8 extensions should work OK. Beyond that, you're on your own. There are apparently "Lamp Expanders" (such as the Melco KT-631) which may be able to amplify the Line #1 and Line #2 lamps for more extensions. The intercom circuit can only handle "buzzer notification" for 8 extensions max, the extra 4 extensions involve punching down the 4 wires from the 'BUZZER EXT5-8 OPTION" connector to a 66 block. See the "circuit description" documentation for details.